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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
const prefs = require("preferences-service");
const { Cc, Ci, Cu } = require("chrome");
const BundleService = Cc["@mozilla.org/intl/stringbundle;1"].getService(Ci.nsIStringBundleService);
exports.testReset = function(test) {
prefs.reset("test_reset_pref");
test.assertEqual(prefs.has("test_reset_pref"), false);
test.assertEqual(prefs.isSet("test_reset_pref"), false);
prefs.set("test_reset_pref", 5);
test.assertEqual(prefs.has("test_reset_pref"), true);
test.assertEqual(prefs.isSet("test_reset_pref"), true);
};
exports.testGetAndSet = function(test) {
let svc = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefService).
getBranch(null);
svc.setCharPref("test_get_string_pref", "a normal string");
test.assertEqual(prefs.get("test_get_string_pref"), "a normal string",
"preferences-service should read from " +
"application-wide preferences service");
prefs.set("test_set_get_pref.integer", 1);
test.assertEqual(prefs.get("test_set_get_pref.integer"), 1,
"set/get integer preference should work");
prefs.set("test_set_get_number_pref", 42);
test.assertRaises(
function() { prefs.set("test_set_get_number_pref", 3.14159); },
"cannot store non-integer number: 3.14159",
"setting a float preference should raise an error"
);
test.assertEqual(prefs.get("test_set_get_number_pref"), 42,
"bad-type write attempt should not overwrite");
// 0x80000000 (no), 0x7fffffff (yes), -0x80000000 (yes), -0x80000001 (no)
test.assertRaises(
function() { prefs.set("test_set_get_number_pref", Math.pow(2, 31)); },
("you cannot set the test_set_get_number_pref pref to the number " +
"2147483648, as number pref values must be in the signed 32-bit " +
"integer range -(2^31) to 2^31-1. To store numbers outside that " +
"range, store them as strings."),
"setting an int pref outside the range -(2^31) to 2^31-1 shouldn't work"
);
test.assertEqual(prefs.get("test_set_get_number_pref"), 42,
"out-of-range write attempt should not overwrite 1");
prefs.set("test_set_get_number_pref", Math.pow(2, 31)-1);
test.assertEqual(prefs.get("test_set_get_number_pref"), 0x7fffffff,
"in-range write attempt should work 1");
prefs.set("test_set_get_number_pref", -Math.pow(2, 31));
test.assertEqual(prefs.get("test_set_get_number_pref"), -0x80000000,
"in-range write attempt should work 2");
test.assertRaises(
function() { prefs.set("test_set_get_number_pref", -0x80000001); },
("you cannot set the test_set_get_number_pref pref to the number " +
"-2147483649, as number pref values must be in the signed 32-bit " +
"integer range -(2^31) to 2^31-1. To store numbers outside that " +
"range, store them as strings."),
"setting an int pref outside the range -(2^31) to 2^31-1 shouldn't work"
);
test.assertEqual(prefs.get("test_set_get_number_pref"), -0x80000000,
"out-of-range write attempt should not overwrite 2");
prefs.set("test_set_get_pref.string", "foo");
test.assertEqual(prefs.get("test_set_get_pref.string"), "foo",
"set/get string preference should work");
prefs.set("test_set_get_pref.boolean", true);
test.assertEqual(prefs.get("test_set_get_pref.boolean"), true,
"set/get boolean preference should work");
prefs.set("test_set_get_unicode_pref", String.fromCharCode(960));
test.assertEqual(prefs.get("test_set_get_unicode_pref"),
String.fromCharCode(960),
"set/get unicode preference should work");
var unsupportedValues = [null, [], undefined];
unsupportedValues.forEach(
function(value) {
test.assertRaises(
function() { prefs.set("test_set_pref", value); },
("can't set pref test_set_pref to value '" + value + "'; " +
"it isn't a string, integer, or boolean"),
"Setting a pref to " + uneval(value) + " should raise error"
);
});
};
exports.testGetSetLocalized = function(test) {
let prefName = "general.useragent.locale";
// Ensure that "general.useragent.locale" is a 'localized' pref
let bundleURL = "chrome://global/locale/intl.properties";
prefs.setLocalized(prefName, bundleURL);
// Fetch the expected value directly from the property file
let expectedValue = BundleService.createBundle(bundleURL).
GetStringFromName(prefName).
toLowerCase();
test.assertEqual(prefs.getLocalized(prefName).toLowerCase(),
expectedValue,
"get localized preference");
// Undo our modification
prefs.reset(prefName);
}
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